Slicing machine



FIG. 1 is a perspective front view of the slicing machine showing my design;

FIG. 2 is a perspective rear view thereof;

FIG. 3 is an elevational view of the right side thereof as shown in FIG. 1; and

FIG. 4 is an elevational view of the left side thereof as shown in FIG. 1, a bottom view being omitted since there are no ornamental features thereon. 

The ornamental design for a slicing machine, as shown. 